MAX34440ETL+ Maxim Integrated Products, MAX34440ETL+ Datasheet - Page 12
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MAX34440ETL+
Manufacturer Part Number
MAX34440ETL+
Description
Supervisory Circuits PMBUS 6-CH POW SUPPLY MANAGER
Manufacturer
Maxim Integrated Products
Datasheet
1.MAX34440ETL.pdf
(43 pages)
Specifications of MAX34440ETL+
Minimum Operating Temperature
- 40 C
Supply Voltage (max)
5.5 V
Supply Voltage (min)
2.7 V
Supply Current (typ)
2.5 mA
Mounting Style
SMD/SMT
Maximum Operating Temperature
+ 85 C
Package / Case
TQFN-40
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Note: All pins except V
and reset. After device reset, the weak pullup is removed, and the pin is configured as input or output.
PMBus 6-Channel Power-Supply Manager
12
PIN
39
40
—
NAME
RS+5
RS-5
EP
DD
A0/MUXSEL
, V
CONTROL
SS
FAULT
REG25
REG18
ALERT
MSDA
MSCL
A1/PG
Ground Reference for ADC5 Voltage Measurement
Power-Supply ADC Voltage-Sense Input, Measurement Relative to RS-5
Exposed Pad (Bottom Side of Package). Connect EP to V
SDA
V
SCL
RST
V
V
V
, REG18, REG25, ADC, and the EP are high impedance with a 50µA pullup during device power-up
DD
SS
SS
SS
MAX34440
OSCILLATOR
INTERFACE
INTERFACE
CONTROL
CONTROL
SIGNALS
MASTER
SYSTEM
POWER
SMBus
SMBus
SLAVE
4MHz
VREG
VREG
2.5V
1.8V
RAM
RISC CORE
16-BIT
MAXQ
FLASH
FUNCTION
SENSOR
TEMP
ADC
Pin Description (continued)
MODULATOR
ENABLES
POWER-
SUPPLY
OUTPUT
PULSE-
WIDTH
SS
.
PWM0
PWM1
PWM2
PWM3
PWM4
PWM5
PSEN0
PSEN1
PSEN2
PSEN3
PSEN4
PSEN5
RS+0
RS-0
RS+1
RS-1
RS+2
RS-2
RS+3
RS-3
RS+4
RS-4
RS+5
RS-5
Block Diagram